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                                <div class="up-time"><span>最后发布:2020-01-01 21:40:20</span><span>首发:2020-01-01 21:40:20</span></div>
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                                            <p>今天在进行数据查询的时候,报了这个异常。<br>
<img src="https://img-blog.csdnimg.cn/20200101212934201.png" alt="在这里插入图片描述"><br>
对于一个像我这样的技术小白来说,肯定是懵住了。但幸运的是，我很快就找到了出现这个问题的缘由。<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>
原来是我在创建表格的时候,选择的格式是ORC。<br>
而在导入数据的时候,文本文件却非ORC格式的,固报了这个异常!<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p>在<a href="https://blog.csdn.net/qq_33536353/article/details/50970535">这篇博客</a>中,也提到了原因…</p>
<blockquote>
<p><font color="black">ORC格式是列式存储的表，不能直接从本地文件导入数据，只有当数据源表也是ORC格式存储时，才可以直接加载，否则会出现上述报错。</font></p>
</blockquote>
<p>解决方案:</p>
<ol>
<li>将ORC格式的表删除换成textfile存储格式的即可。</li>
<li>先创建一个以textfile格式的临时表先将源文件数据加载到该表，然后再从textfile表中insert数据到ORC目标表中。</li>
</ol>
<p>以上两种方法都能有效的解决问题，小伙伴们只需要根据实际需求有效选择即可!<br>
<img src="https://img-blog.csdnimg.cn/20200101213921655.jpg?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NDMxODgzMA==,size_16,color_FFFFFF,t_70" alt="在这里插入图片描述"></p>

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